package com.xmjj.jujianglibrary.util;

import android.Manifest;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.provider.Settings;
import android.support.annotation.NonNull;
import android.support.v4.app.ActivityCompat;
import android.util.Log;
import android.widget.Toast;

import com.xmjj.jujianglibrary.R;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 功能描述：
 * Created by wzw
 * 2017/12/20
 */

public class PermissionUtils {

		private static final String TAG = PermissionUtils.class.getSimpleName();
		public static final int CODE_RECORD_AUDIO = 0;
		public static final int CODE_GET_ACCOUNTS = 1;
		public static final int CODE_READ_PHONE_STATE = 2;
		public static final int CODE_CALL_PHONE = 3;
		public static final int CODE_CAMERA = 4;
		public static final int CODE_ACCESS_FINE_LOCATION = 5;
		public static final int CODE_ACCESS_COARSE_LOCATION = 6;
		public static final int CODE_READ_EXTERNAL_STORAGE = 7;
		public static final int CODE_WRITE_EXTERNAL_STORAGE = 8;
		public static final int CODE_MULTI_PERMISSION = 100;

		public static final String PERMISSION_RECORD_AUDIO = Manifest.permission.RECORD_AUDIO;
		public static final String PERMISSION_GET_ACCOUNTS = Manifest.permission.GET_ACCOUNTS;
		public static final String PERMISSION_READ_PHONE_STATE = Manifest.permission.READ_PHONE_STATE;
		public static final String PERMISSION_CALL_PHONE = Manifest.permission.CALL_PHONE;
		public static final String PERMISSION_CAMERA = Manifest.permission.CAMERA;
		public static final String PERMISSION_ACCESS_FINE_LOCATION = Manifest.permission.ACCESS_FINE_LOCATION;
		public static final String PERMISSION_ACCESS_COARSE_LOCATION = Manifest.permission.ACCESS_COARSE_LOCATION;
		public static final String PERMISSION_READ_EXTERNAL_STORAGE = Manifest.permission.READ_EXTERNAL_STORAGE;
		public static final String PERMISSION_WRITE_EXTERNAL_STORAGE = Manifest.permission.WRITE_EXTERNAL_STORAGE;

		private static final String[] requestPermissions = {
				PERMISSION_RECORD_AUDIO,
				PERMISSION_GET_ACCOUNTS,
				PERMISSION_READ_PHONE_STATE,
				PERMISSION_CALL_PHONE,
				PERMISSION_CAMERA,
				PERMISSION_ACCESS_FINE_LOCATION,
				PERMISSION_ACCESS_COARSE_LOCATION,
				PERMISSION_READ_EXTERNAL_STORAGE,
				PERMISSION_WRITE_EXTERNAL_STORAGE
		};

		public interface PermissionGrant {
			void onPermissionGranted(int requestCode);
		}

		/**
		 * Requests permission.
		 *
		 * @param activity
		 * @param requestCode request code, e.g. if you need request CAMERA permission,parameters is PermissionUtils.CODE_CAMERA
		 */
		public static void requestPermission(final Activity activity, final int requestCode, PermissionGrant permissionGrant) {
			if (activity == null) {
				return;
			}

			Log.i(TAG, "requestPermission requestCode:" + requestCode);
			if (requestCode < 0 || requestCode >= requestPermissions.length) {
				Log.w(TAG, "requestPermission illegal requestCode:" + requestCode);
				return;
			}

			final String requestPermission = requestPermissions[requestCode];

			//如果是6.0以下的手机，ActivityCompat.checkSelfPermission()会始终等于PERMISSION_GRANTED，
			// 但是，如果用户关闭了你申请的权限，ActivityCompat.checkSelfPermission(),会导致程序崩溃(java.lang.RuntimeException: Unknown exception code: 1 msg null)，
			// 你可以使用try{}catch(){},处理异常，也可以在这个地方，低于23就什么都不做，
			// 个人建议try{}catch(){}单独处理，提示用户开启权限。
//        if (Build.VERSION.SDK_INT < 23) {
//            return;
//        }

			int checkSelfPermission;
			try {
				checkSelfPermission = ActivityCompat.checkSelfPermission(activity, requestPermission);
			} catch (RuntimeException e) {
				Toast.makeText(activity, "please open this permission", Toast.LENGTH_SHORT)
						.show();
				Log.e(TAG, "RuntimeException:" + e.getMessage());
				return;
			}

			if (checkSelfPermission != PackageManager.PERMISSION_GRANTED) {
				Log.i(TAG, "ActivityCompat.checkSelfPermission != PackageManager.PERMISSION_GRANTED");


				if (ActivityCompat.shouldShowRequestPermissionRationale(activity, requestPermission)) {
					Log.i(TAG, "requestPermission shouldShowRequestPermissionRationale");
					shouldShowRationale(activity, requestCode, requestPermission);

				} else {
					Log.d(TAG, "requestCameraPermission else");
					ActivityCompat.requestPermissions(activity, new String[]{requestPermission}, requestCode);
				}

			} else {
				Log.d(TAG, "ActivityCompat.checkSelfPermission ==== PackageManager.PERMISSION_GRANTED");
				Toast.makeText(activity, "opened:" + requestPermissions[requestCode], Toast.LENGTH_SHORT).show();
				permissionGrant.onPermissionGranted(requestCode);
			}
		}

		private static void requestMultiResult(Activity activity, String[] permissions, int[] grantResults, PermissionGrant permissionGrant) {

			if (activity == null) {
				return;
			}

			//TODO
			Log.d(TAG, "onRequestPermissionsResult permissions length:" + permissions.length);
			Map<String, Integer> perms = new HashMap<>();

			ArrayList<String> notGranted = new ArrayList<>();
			for (int i = 0; i < permissions.length; i++) {
				Log.d(TAG, "permissions: [i]:" + i + ", permissions[i]" + permissions[i] + ",grantResults[i]:" + grantResults[i]);
				perms.put(permissions[i], grantResults[i]);
				if (grantResults[i] != PackageManager.PERMISSION_GRANTED) {
					notGranted.add(permissions[i]);
				}
			}

			if (notGranted.size() == 0) {
				Toast.makeText(activity, "all permission success" + notGranted, Toast.LENGTH_SHORT)
						.show();
				permissionGrant.onPermissionGranted(CODE_MULTI_PERMISSION);
			} else {
				openSettingActivity(activity, "those permission need granted!");
			}

		}


		/**
		 * 一次申请多个权限
		 */
		public static void requestMultiPermissions(final Activity activity, PermissionGrant grant) {

			final List<String> permissionsList = getNoGrantedPermission(activity, false);
			final List<String> shouldRationalePermissionsList = getNoGrantedPermission(activity, true);

			//TODO checkSelfPermission
			if (permissionsList == null || shouldRationalePermissionsList == null) {
				return;
			}
			Log.d(TAG, "requestMultiPermissions permissionsList:" + permissionsList.size() + ",shouldRationalePermissionsList:" + shouldRationalePermissionsList.size());

			if (permissionsList.size() > 0) {
				ActivityCompat.requestPermissions(activity, permissionsList.toArray(new String[permissionsList.size()]),
						CODE_MULTI_PERMISSION);
				Log.d(TAG, "showMessageOKCancel requestPermissions");

			} else if (shouldRationalePermissionsList.size() > 0) {
				showMessageOKCancel(activity, "should open those permission",
						new DialogInterface.OnClickListener() {
							@Override
							public void onClick(DialogInterface dialog, int which) {
								ActivityCompat.requestPermissions(activity, shouldRationalePermissionsList.toArray(new String[shouldRationalePermissionsList.size()]),
										CODE_MULTI_PERMISSION);
								Log.d(TAG, "showMessageOKCancel requestPermissions");
							}
						});
			} else {
				grant.onPermissionGranted(CODE_MULTI_PERMISSION);
			}

		}


		private static void shouldShowRationale(final Activity activity, final int requestCode, final String requestPermission) {
			//TODO
			String[] permissionsHint = activity.getResources().getStringArray(R.array.permissions);
			showMessageOKCancel(activity, "Rationale: " + permissionsHint[requestCode], new DialogInterface.OnClickListener() {
				@Override
				public void onClick(DialogInterface dialog, int which) {
					ActivityCompat.requestPermissions(activity,
							new String[]{requestPermission},
							requestCode);
					Log.d(TAG, "showMessageOKCancel requestPermissions:" + requestPermission);
				}
			});
		}

		private static void showMessageOKCancel(final Activity context, String message, DialogInterface.OnClickListener okListener) {
			new AlertDialog.Builder(context)
					.setMessage(message)
					.setPositiveButton("OK", okListener)
					.setNegativeButton("Cancel", null)
					.create()
					.show();

		}

		/**
		 * @param activity
		 * @param requestCode  Need consistent with requestPermission
		 * @param permissions
		 * @param grantResults
		 */
		public static void requestPermissionsResult(final Activity activity, final int requestCode, @NonNull String[] permissions,
													@NonNull int[] grantResults, PermissionGrant permissionGrant) {

			if (activity == null) {
				return;
			}
			Log.d(TAG, "requestPermissionsResult requestCode:" + requestCode);

			if (requestCode == CODE_MULTI_PERMISSION) {
				requestMultiResult(activity, permissions, grantResults, permissionGrant);
				return;
			}

			if (requestCode < 0 || requestCode >= requestPermissions.length) {
				Log.w(TAG, "requestPermissionsResult illegal requestCode:" + requestCode);
				Toast.makeText(activity, "illegal requestCode:" + requestCode, Toast.LENGTH_SHORT).show();
				return;
			}

			Log.i(TAG, "onRequestPermissionsResult requestCode:" + requestCode + ",permissions:" + permissions.toString()
					+ ",grantResults:" + grantResults.toString() + ",length:" + grantResults.length);

			if (grantResults.length == 1 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
				Log.i(TAG, "onRequestPermissionsResult PERMISSION_GRANTED");
				//TODO success, do something, can use callback
				permissionGrant.onPermissionGranted(requestCode);

			} else {
				//TODO hint user this permission function
				Log.i(TAG, "onRequestPermissionsResult PERMISSION NOT GRANTED");
				//TODO
				String[] permissionsHint = activity.getResources().getStringArray(R.array.permissions);
				openSettingActivity(activity,  "Result" + permissionsHint[requestCode]);
			}

		}

		private static void openSettingActivity(final Activity activity, String message) {

			showMessageOKCancel(activity, message, new DialogInterface.OnClickListener() {
				@Override
				public void onClick(DialogInterface dialog, int which) {
					Intent intent = new Intent();
					intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
					Log.d(TAG, "getPackageName(): " + activity.getPackageName());
					Uri uri = Uri.fromParts("package", activity.getPackageName(), null);
					intent.setData(uri);
					activity.startActivity(intent);
				}
			});
		}


		/**
		 * @param activity
		 * @param isShouldRationale true: return no granted and shouldShowRequestPermissionRationale permissions, false:return no granted and !shouldShowRequestPermissionRationale
		 * @return
		 */
		public static ArrayList<String> getNoGrantedPermission(Activity activity, boolean isShouldRationale) {

			ArrayList<String> permissions = new ArrayList<>();

			for (int i = 0; i < requestPermissions.length; i++) {
				String requestPermission = requestPermissions[i];


				//TODO checkSelfPermission
				int checkSelfPermission = -1;
				try {
					checkSelfPermission = ActivityCompat.checkSelfPermission(activity, requestPermission);
				} catch (RuntimeException e) {
					Toast.makeText(activity, "please open those permission", Toast.LENGTH_SHORT)
							.show();
					Log.e(TAG, "RuntimeException:" + e.getMessage());
					return null;
				}

				if (checkSelfPermission != PackageManager.PERMISSION_GRANTED) {
					Log.i(TAG, "getNoGrantedPermission ActivityCompat.checkSelfPermission != PackageManager.PERMISSION_GRANTED:" + requestPermission);

					if (ActivityCompat.shouldShowRequestPermissionRationale(activity, requestPermission)) {
						Log.d(TAG, "shouldShowRequestPermissionRationale if");
						if (isShouldRationale) {
							permissions.add(requestPermission);
						}

					} else {

						if (!isShouldRationale) {
							permissions.add(requestPermission);
						}
						Log.d(TAG, "shouldShowRequestPermissionRationale else");
					}

				}
			}

			return permissions;
		}

	}


